AirHint found the following cheapest return flights from Toronto (YTZ) to Cancun (CUN) in May 2026 (see full year).

Return flights

22 May - 27 May	Air Transat
23 May - 30 May	Air Transat
01 May - 05 May	Air Transat
29 May - 05 Jun	Air Transat
06 May - 13 May	Air Transat
08 May - 14 May	Air Transat
15 May - 18 May	Air Transat
07 May - 12 May	Air Transat
06 May - 12 May	Air Transat
01 May - 04 May	Air Transat
01 May - 07 May	Air Transat

Also check the deals for one-way flights from Toronto to Cancun in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Toronto to Cancun in May from $409

Return flights